@article{239626, note = {Based on text prepared by the Ad Hoc Preparatory Working Group on Heavy Metals at its 4th session and on results of the 20th session of the Working Group on Strategies.}, url = {http://digitallibrary.un.org/record/239626}, title = {Draft composite negotiating text for a Protocol on Heavy Metals /}, publisher = {UN,}, recid = {239626}, pages = {19 p. :}, address = {Geneva :. 1997-06-09}, year = {1997}, month = {Jun}, }